Home / 56,424.08-77,867.88-31,274

Finding the Fourth Proportional to 56,424.08, 77,867.88 and 31,274

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Solution

The fourth proportional to 56,424.08, 77,867.88 and 31,274 is: 43,159.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,424.08 : 77,867.88 = 31,274 : x
  2. Step 2: Convert to fraction form
    56,424.08/77,867.88 = 31,274/x
  3. Step 3: Cross multiply
    56,424.08x = 77,867.88 × 31,274
  4. Step 4: Simplify right side
    56,424.08x = 2,435,240,079.12
  5. Step 5: Solve for x
    x = 2,435,240,079.12/56,424.08
  6. Step 6: Final answer
    x = 43,159.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.